package demo1.web.servlet.userMaiapi;

import demo1.dao.Mapper.goodsMapper;
import demo1.pojo.userMai;
import demo1.dao.sql.goodssql;
import demo1.service.userMaiService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

@WebServlet("/modifyGoodsNum2")
public class modifyGoodsNum2 extends HttpServlet {//修改商品库存
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("utf-8");
        resp.setContentType("text/html;charset = utf-8");
        int goodsID = Integer.parseInt(req.getParameter("goodsID"));
        int goodsNum = Integer.parseInt(req.getParameter("goodsNum"));
        //获取session对象
        HttpSession session = req.getSession();
        Object userObject = session.getAttribute("users");
        userMai users = (userMai) userObject;

        try {
            userMaiService modify = new userMaiService();
            modify.modifyGoodsNum2(goodsNum, users.getId(), goodsID);
            resp.sendRedirect("/logindemo2/showgoods");//重定向到展示商品的界面
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        this.doGet(req, resp);
    }
}
